what is the function of a circuit breaker ?how does the circuit breaker function during normal operation of an electrical system

2 Answers  

---

what is transient earth voltage

2 Answers  

---

what is the function of capacitor duty contactor in an capacitor panel???

0 Answers  

---

why we dont store the ac power in battery?

1 Answers   TCS,

---

How to calculate the transmission losses incase of overhead transmission lines?

6 Answers   Jindal,

---

what the effect will occur if we increase the airgap in induction motor

3 Answers   ONGC,

---

pf of synchronius motor is unity, is it axact(=one) value. ?

1 Answers  

---

Which is the best between SCADA & PLCC & Why ?

2 Answers   ABC,

---

WHEN SINGLE PHASE SUPPLY AS 220V, WHY THE 3 PHASE- 4 WIRE MEASURED AS 440 VOLTS INSTEAD OF 660 VOLTS (220 VOLTS PER PHASE i.e 220x3 = 660 volts ).

1 Answers  

---

do anyone out there know where to find a compleete list on acronyms/abbreviations used in offshore electric engineering. MCB - Micro Circuit Breaker, MCCB-Mouldes Case Circuit Breaker, ELCB-Earth Lekage Circuit Breaker, ELMCB- etc.....

0 Answers   Aibel,

---

What are the different lines and what are the different types of losses occur on them?

2 Answers  

---

Why do we need interlocking in a HT metering or Ring main unit switchgear?

0 Answers  

---